hoàn hồn

• Come to, recover consciousness (after fainting)
  • Ngất đi mấy phút mới hoàn hồn: To come to only after fainting for several minutes
• Recover one's composure, regain one's calm (after a fright)
  • Sợ chết khiếp đi mãi mới hoàn hồn: To be frightened out of one's senses and regain one's calm only after a long while